Author: Russell Reagan

Date: 13:22:14 11/19/02

Go up one level in this thread

On November 19, 2002 at 16:14:07, Dan Andersson wrote: >Different engines, no way to compare them due to different eval and so forth. >You would have to compare one program using two different board implementations >to get some solid data. But even then you would have problems deciding why one >implementation is faster. > >MvH Dan Andersson My point is only that an engine that uses bitboards is comparable with one that doesn't use bitboards. He asked for evidence this time, not proof. You can't prove either to be clearly better than the other, but you can give evidence that they are comparable in terms of performance. The point was to show that Vincent's statement about first taking a 50% speed hit before adding the 33% speed increase is not valid. There is no 50% speed decrease when compared with non-bitboard engines. There is only the 33% increase.

- Re: significant math
**Dan Andersson***20:54:40 11/19/02*- Re: significant math
**Robert Hyatt***22:06:34 11/19/02*- Re: significant math
**Dan Andersson***01:00:20 11/20/02*- Re: significant math
**Robert Hyatt***07:59:33 11/20/02*- Re: significant math
**Dan Andersson***13:52:11 11/20/02*- Re: significant math
**Robert Hyatt***15:34:35 11/20/02* - Re: significant math
**Sune Fischer***14:37:08 11/20/02*- Re: significant math
**Vincent Diepeveen***21:00:13 11/21/02*- Re: significant math
**Sune Fischer***03:24:41 11/22/02*

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**Uri Blass***22:50:38 11/19/02*- Re: significant math
**Robert Hyatt***08:01:29 11/20/02* - Re: significant math
**Uri Blass***22:52:20 11/19/02*

- Re: significant math

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**Gian-Carlo Pascutto***13:24:36 11/19/02*- Re: significant math
**Robert Hyatt***13:31:33 11/19/02*- Re: significant math
**Gian-Carlo Pascutto***13:33:40 11/19/02*- Re: significant math
**Robert Hyatt***13:42:21 11/19/02*- Re: significant math
**Gian-Carlo Pascutto***13:51:35 11/19/02*- Re: significant math
**Robert Hyatt***13:53:48 11/19/02*- Re: significant math
**Eugene Nalimov***14:15:46 11/19/02* - Re: significant math
**Gian-Carlo Pascutto***13:59:29 11/19/02*- Re: significant math
**Robert Hyatt***15:03:28 11/19/02*- Re: ftp news
**Robert Hyatt***15:37:42 11/20/02* - Re: ftp news
**Robert Hyatt***15:36:58 11/20/02*

- Re: ftp news
- Re: significant math
**Eugene Nalimov***14:16:28 11/19/02*

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**Russell Reagan***13:38:03 11/19/02*- Re: significant math
**Robert Hyatt***13:43:31 11/19/02*

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**Russell Reagan***13:31:15 11/19/02*- Re: significant math
**Alessandro Damiani***13:55:55 11/19/02*- Re: significant math
**Vincent Diepeveen***16:13:39 11/19/02*- Re: significant math
**Jeremiah Penery***17:23:11 11/19/02*- Re: significant math
**Alessandro Damiani***00:44:20 11/20/02*- Re: significant math
**Robert Hyatt***08:02:55 11/20/02*

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**Russell Reagan***17:09:11 11/19/02*- Re: significant math
**Uri Blass***17:35:18 11/19/02*- Re: significant math
**Russell Reagan***19:24:36 11/19/02*

- Re: significant math

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**Robert Hyatt***17:06:00 11/19/02*

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**Gian-Carlo Pascutto***13:38:37 11/19/02*- Re: significant math
**Robert Hyatt***13:51:36 11/19/02*- Re: significant math
**Gian-Carlo Pascutto***13:56:35 11/19/02*- Re: significant math
**Gerd Isenberg***14:25:26 11/19/02*

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**Bob Durrett***13:37:33 11/19/02*

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